Rust proof material: Stainless steel 304 wire, which will not rust in humid environments and has strong antioxidant, acid resistant, and anti-corrosion capabilities. Size: [A × B × C] A is the wire diameter, B is the outer diameter, C is the free length, and the first type is 0. 0.016 * 0.16 * 0.394/0.590/0.787/0.984IN, the second category is 0.02 * 0.2 * 0.394/0.590/0.787/0.984IN, the third category is 0.02 * 0.24 * 0.394/0.590/0.787/0.984IN, the fourth category is 0.024 * 0.24 * 0.394/0.590/0.787/0.984IN, and the fifth category is 0.028 * 0.28 * 0.394/0.590/0.787/0.984IN. The six types are: 0.031 * 0.31 * 0.39/0.59/0.79/0.98l